English word origin

Etymology of laver

From Middle English laver, lavre, lever, levre, laber (“a kind of water plant”), from Old English læfer, leber (“a rush (plant)”), a borrowing from Latin laver (“water plant”).

3 source sectionsExtended source reportWiktionary original ↗

In this entry · 3 source sections

The source etymologies

Wiktionary via Kaikki / Wiktextract

The source reports below are imported and unreviewed by *SET-U. Separate numbered origins and differing source variants are preserved; agreement within this extraction is not independent corroboration.

Source etymology 1

Original entry ↗

noun

A red alga/seaweed, Porphyra umbilicalis (syn. Porphyra laciniata), eaten as a vegetable. · Other seaweeds similar in appearance or use, especially · Porphyra vulgaris

Selected source glosses provide context, not a complete modern definition inventory

From Middle English laver, lavre, lever, levre, laber (“a kind of water plant”), from Old English læfer, leber (“a rush (plant)”), a borrowing from Latin laver (“water plant”).

Relationships mentioned by the source

These are extracted mentions, not a timeline or a verified sequence of immediate parents.

Inherited-form mentionlaverenm
Inherited-form mentionlæferang
Derivation mentionlaverla · water plant

Inspect preserved source fields

Raw extraction fields are retained for auditing. Their order does not establish ancestry.

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      "lever#Middle_English"
    ],
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      "levre#Middle_English"
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      "laber#Middle_English"
    ],
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      "læfer#Old_English"
    ],
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      "leber",
      "leber#Old_English"
    ],
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      "laver#Latin"
    ]
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Source etymology 2

Original entry ↗

noun

Where one laves, a washroom, particularly a lavatorium, the washing area in a monastery. · That which laves, particularly a washbasin. · The spiritual washing or ablution of baptism.

Selected source glosses provide context, not a complete modern definition inventory

From Middle English laver, lavour, from Old French laveoir, laveor, laveour, lavor, lavur, from Latin lavātōrium. Doublet of lavatorium and lavatory.

Relationships mentioned by the source

These are extracted mentions, not a timeline or a verified sequence of immediate parents.

Inherited-form mentionlaverenm
Derivation mentionlaveoir,laveor,laveour,lavor,lavurfro
Derivation mentionlavātōriumla
Doublet mentionlavatoriumen
Doublet mentionlavatoryen

Inspect preserved source fields

Raw extraction fields are retained for auditing. Their order does not establish ancestry.

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Source etymology 3

Original entry ↗

noun

One who laves: a washer.

Selected source glosses provide context, not a complete modern definition inventory

Etymology tree English lave Proto-Indo-European *-eh₂ Proto-Indo-European *-os? Proto-Indo-European *-o- Proto-Indo-European *-so- Proto-Indo-European *-eh₂so- Proto-Indo-European *-yós Proto-Indo-European *-eh₂s(i)yós Proto-Italic *-āsijos Proto-Italic *-āsios Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere ▲ Latin -ārius Old French -ierbor. Middle English -er English -er English laver From lave + -er.

Inspect preserved source fields

Raw extraction fields are retained for auditing. Their order does not establish ancestry.

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      "expansion": "Etymology tree\nEnglish lave\nProto-Indo-European *-eh₂\nProto-Indo-European *-os?\nProto-Indo-European *-o-\nProto-Indo-European *-so-\nProto-Indo-European *-eh₂so-\nProto-Indo-European *-yós\nProto-Indo-European *-eh₂s(i)yós\nProto-Italic *-āsijos\nProto-Italic *-āsios\nLatin -āriusnom.\nLatin -āriusbor.\nProto-Germanic *-ārijaz\nProto-West Germanic *-ārī\nOld English -ere\nMiddle English -ere\n▲\nLatin -ārius\nOld French -ierbor.\nMiddle English -er\nEnglish -er\nEnglish laver\n[Appendix:Glossary#loanword|Borrowed]] from\", \"terms\" : [ { \"id\" : \"agent noun\", \"children\" : [ { \"keyword_abbrev\" : \"nom.\", \"keyword_label\" : \"Nominalization of\", \"terms\" : [ { \"id\" : \"adjective\", \"children\" : [ { \"terms\" : [ { \"id\" : \"adjective\", \"children\" : [ { \"terms\" : [ { \"alt\" : \"*-āsijos\", \"lang_name\" : \"Proto-Italic\", \"status\" : \"inline\", \"children\" : [ { \"terms\" : [ { \"alt\" : \"*-eh₂s(i)yós\", \"lang_name\" : \"Proto-Indo-European\", \"status\" : \"inline\", \"children\" : [ { \"terms\" : [ { \"alt\" : \"*-eh₂so-\", \"lang_name\" : \"Proto-Indo-European\", \"status\" : \"inline\", \"children\" : [ { \"terms\" : [ { \"children\" : [ ], \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*-eh₂\", \"status\" : \"ambiguous\", \"lang\" : \"ine-pro\" }, { \"alt\" : \"*-so-\", \"lang_name\" : \"Proto-Indo-European\", \"status\" : \"inline\", \"children\" : [ { \"terms\" : [ { \"is_uncertain\" : true, \"id\" : \"athematic\", \"children\" : [ ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*-os\", \"lang\" : \"ine-pro\" }, { \"alt\" : \"*-o-\", \"lang_name\" : \"Proto-Indo-European\", \"status\" : \"ok\", \"children\" : [ ], \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang\" : \"ine-pro\" }, { \"id\" : \"suffix\", \"children\" : [ ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*-yós\", \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang\" : \"ine-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"From\", \"keyword\" : \"from\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Italic\", \"term\" : \"*-āsios\", \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Latin\", \"term\" : \"-ārius\", \"lang\" : \"la\" } ], \"keyword\" : \"nominalization\" } ], \"status\" : \"ok\", \"lang_name\" : \"Latin\", \"term\" : \"-ārius\", \"lang\" : \"la\" } ], \"keyword\" : \"bor\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Germanic\", \"term\" : \"*-ārijaz\", \"lang\" : \"gem-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Proto-West Germanic\", \"term\" : \"*-ārī\", \"lang\" : \"gmw-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Old English\", \"term\" : \"-ere\", \"lang\" : \"ang\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Middle English\", \"term\" : \"-ere\", \"lang\" : \"enm\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" }, { \"terms\" : [ { \"id\" : \"agentive\", \"children\" : [ { \"keyword_abbrev\" : \"bor.\", \"keyword_label\" : \"Borrowed from\", \"terms\" : [ { \"id\" : \"nouns\", \"children\" : [ { \"terms\" : [ { \"is_duplicate\" : true, \"children\" : [ ], \"id\" : \"agent noun\", \"status\" : { \"1\" : \"la\", \"2\" : \":nom\", \"3\" : \"-ārius<id:adjective>\", \"id\" : \"agent noun\", \"title\" : \"-ārius\", \"pos\" : \"suffix\" }, \"lang_name\" : \"Latin\", \"term\" : \"-ārius\", \"lang\" : \"la\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Old French\", \"term\" : \"-ier\", \"lang\" : \"fro\" } ], \"keyword\" : \"bor\" } ], \"status\" : \"ok\", \"lang_name\" : \"Middle English\", \"term\" : \"-er\", \"lang\" : \"enm\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"English\", \"term\" : \"-er\", \"lang\" : \"en\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang_name\" : \"English\", \"term\" : \"laver\", \"status\" : \"ok\", \"lang\" : \"en\" }\" data-lang=\"en\" data-title=\"laver\">\nFrom lave + -er."
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      "*-os",
      "Reconstruction:Proto-Indo-European/-os#Proto-Indo-European:_athematic"
    ],
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Where this record stops

This page does not supply an independently verified sound-change sequence, first-use manuscript or complete family tree unless a cited analysis explicitly establishes one. Missing detail here is a limit of this record—not a claim that humanity knows nothing more.

An older meaning does not determine what a word must mean today. Follow the sources, preserve disagreements, and keep ancestry separate from interpretation.

Contribute located evidence for laver →

Source and snapshot

Imported from Wiktionary contributors; extracted by Tatu Ylonen / Wiktextract / Kaikki.org. Selected fields are reformatted and grouped; wording, source identity and etymology sections are retained. CC-BY-SA-4.0 applies to the imported source material.

Dump: 2026-10-01 · Extracted: 2026-10-30. These are snapshot dates, not the word’s first attestation or the page’s revision date.

Source entry and bibliography ↗Wiktionary revision history ↗Acquisition and rights ledger

Machine-source provenance

Source SHA-256: 5ff2c072f8099f2d2ce484bd6957bf179f046d2ad37bc36555edf8bb84cb5291
Import run: 73216b9a9b78ed3830994bf853103716f5a4dc57099e371e9f8fdc468facca26
Permanent entry ID: w-bGF2ZXI